Your search for "n1124t-on" revealed the following:
Dell N1124T-ON N1100 Series 24x 1GB RJ45 4x 10GB SFP+ EMC Switch
SKU: NSB-0579
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 244.99
• 5 in stock
Call if you need more
NEW For Dell N1100 Series HCDHT 575-BBJS-N1100 Rack Mount Bracket Kit
SKU: NSB-3887
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 18.99
• 150 in stock
Call if you need more
NEW Dell N1124T-ON N1100 Series 24x 1GB RJ45 4x 10GB SFP+ EMC Switch
SKU: NSN-8754
Condition: New
Shipping: Overnight Options
Warranty: 365 days